Type-writing machine.



n ,f r//W/ INVENTR 6 SHEETS-SHEET 1.

Patented No'v. 1,1910.

HISATTURNEY Lascmuf. A TYPE WRITING MACHINE, APPLICATION FILED H0?. l,1909.

J. T. scum'. TYPE WBITHG MACHINE.

LPPLIATIQI FILED HOV. l, 1909.

Patented Nov. l, 1910.

8 BHEETBSHBET 2.

INVENTDR, (5I/ngi hC-...ff-

l-IISATTURNEY @i o .Il

ma mum". ,Mmmm v J. 'l'. SGHAAPF.

TYPE WRITING MACHINE.

APPLICATION FILED NOV. 1, 1809.

mama Ecv.1,191 o.

6 BHEETHHEET 3.

s J. T'. SGHAAPL f TYPE WRITING MACHINE. f A- f APPLIUATIOR FILED 307.1.1908. y Y 974,438, Y Patented Nov. 1`, 1910.

8 SHEETS-SHEET 4*.

WITNEESES, I INVENTUR.

HEATTURNEY autumn J. T. SOHAALPF. TYPE WRITING HACHINB. nrmnrrlon rmzn11ov.1, 19u11.

Patented 111111.11910.

WITNEgeaE-S: ZW.

Hn'SATTnRNEY INVNTDR:

J. T. SCHAAFP.

TYPE WRITING MACHINE.

APPLxoATIoN um nov. 1. 1909.

Patented Nev.1,1910.

B SHEETS-SHEET C.

IKNENFI'IIIR= WITNEE Vl E N R D T T A E .H

f UNrriin sar-Aires etlnnr one-tes.

JOHN T. SCHiAAIEF, OF ASHNGTON. DISTRICT OF COLUMBIA, ASSIGNOR TO UNIONTYPEXVRI'IER COMPANY, 0F JERSEY CITY, NEW JERSEY. A CORPORATION OF NE?!i. t JERSEY. Fig TYPE-VIRITING MACHINE. t

974,438. Speicaffm 0f Letters Patnt- Patented Nov. 1, 191i?. J: i.Appiication ined November 1, iena. seriai N0. 525.698.-. iai;

To :lll whom 'it mcyconcern: rear ends of the four column key leversandlie it known'tliatV l, .Toi-1N T. SCHAAFF, illust1'atiiig thc ei'ect ofthc depression of citizen of the United States. and resident of therespective levers on the frame which 'ashingtim. District of Columbia,have incarries the key operated stops. Fig'. 11 is i vented certain newand useful Improvea side elevation of part ot the tabulator 60 ments inTypo-Writing Machines, of which mechanism .showing oneI of the columnkeys the following is a specification. and a certain stop operatingYtraine dcr- ".\I invention relates to typewriting mapressedsimultaneously. Fig. 1;? is a top chiiies :ind more particularly totabulating vier.' of the guide. plate for the upper ends mechanism forsuch machines. of tl't.` denominational stops., said stops he- 65 M vinvention has for its principal object ing shown in section. Fig. 13 isan isometric. t() 11H-'ide an Improved Qonbined denom- VILW HS Sttl'lf'l'Onl -ll lG-, Of ille fOl'Wl'tl. national and column selectingtabulator, @ml 0f il @erhellt 011e ot the denominational whereby the.carriage 'can be moved at. a kg?" levers. Fig. 14 is a fragmentaryfront. Singt@ 6pm-Minn to n elected dmominntionl view on an enlargedscale, .showing the hand 70 position in a selected one of a plurality ofoperated means for throwing a certain lock columns, intervening columnarpositions., if Ont Gif operation. Fig.`15 is a fragmentan any. beingskipped or passed. top View ot the column stop bar and asso-.-inothcrobject of my invention is to pro Clll'ed PRIS vide an improvedcolumn seiecting mecha- My invention is applicable or adaptable to 75 inism. typewriting machines generally, but for the I" I have alsoprovided certain other impurpose of illustration I have here shown itprova-ments in tabulators, all of which will applied to a front-striketypewriter resembe fully set forth hereinafter and particubling; themachine known commercially as larly pointed ont. in the claims. the Yostvisible. The main frame ofthisina- 80 .if In the accompanying drawings,Figure. l chine comprises side plates 1, a back plate a front to rearvertical sectional View of 2 and a top plate comprising a forward secatypewriting machine having my invention l tien 3 and a rear section 4.Said sections of embodied therein, parts of the machine bethe top plateare spaced apart to provide for ing omitted and parts broken away. Fig.2 the transverse motion ot' a carriage 5 and the 85 is a rea] View ofthe same in vertical section, side plates 1 are also formed with downtheframework of the 'typewriter being wai-dl y curved parts 6 to permit ofthe inoshown in section justforward of the back tion of said carriageand the parts dependplate thereof and part of the tabulating ingtherefrom. The carriage is ,provided mechanism being; shown in sectionon anwith grooved carriage rails 7 and stationary- 9.0 other plane.Fig.. 3 is a top view of thc rails S are supported by the side plates 1,key lever system of my tabnlator, the upsaid rails 7 and 8 being groovedfor the reper part of the tvp'sxvriter framework bcception ofanti-friction balls or rollers 9 nig sectioned away and with parts shownI which support the carriage in a woll known broken and in sei-tion.Fig. 4 is :i rightmanner for motion transversely ot' the ina- 95. hundside elevation of part of the tabnchine. A platen 10 is mounted in aplaten lator mechanism with parts in section 'and frame l1 which iscarried on the truck 5 by arts` broken away. the devices beingr shownmeans of parallel links 12 which provide for in the position they occupywhen a dcshifting the platen up and down foi,upper nominational key isdepressed without deand lower ease 'printing'. )t frame har 13 100pressing u column key. Fig. 5 is a ragconnects the side plates 1 beneaththe carmentaiv side elevation. partly in section, ringe, said frame barbeing secured bv und with parts broken away. and showing a i screws 14to brackets 15 of said side plates portion of the column selectingdevices. l. The carriage is drawn across the nm- Fig. t', is aright-hand side elevation of partchine in letter space direction bymeans of 105 of the tuhulating mechanism and associated a band 1G whichworkson a spriiitgf drinn 1T A parts. with some parts in section andsome which is supported from the bar 1? by deomitted. This ligure showsone column key pending brackets 18. A feed rack QOUwith and onedenominational key depressed. rack teeth on the forward edge thereof, is55 Figs. 7, 8,` 9 and 10 are side views of the supported by dependingarms 2l which are 110 pivotcdl to the unde .side of the` carriage at 22so that said rackbar isvfreel to be swung toward the: rear of'themachine.` The rack bar is held in its fnorxnal position shown in Fig..1by means of a spring-pressed plunger 23 mounted iny the truck 5 an'dpressing down o`n a. branch 24 of the arm 21, and the forward motion ofthe rack bar is limited by a sto .pin 25 coperating with another' branci2G of said arm 21. ihen the rack bar is in the normal position shown inFig.

y 1 it meshes with a pinion 27 on the upper 'end ot'` a vertical shaft28 which shalt is journaled near its uppcr end in-a bracket project-ingforward rom the frame bar 13 and at its lower end said shaft isjournalcdon an adjustable stud 31 threaded through an ear of a frame'bar 32 whichconnects the frame plates 1 in the base-part of the main frame. Theshaft 2S carries an escapenientV wheel 323 which coperates with anysuitable feed dogs which are controlled *f the key levers and space baro f the machine. The keys and types and the connections between saidkeys and types are not shown herein out they may of any suitable 'sortsuch, for example, asthat used in the Yost visible typewriter. Theshaft. Q8 has mounted` thereon a barrel 34 within which is or may be asuitable pawland ratchet device for permittin the shaft 28 to rotateindependently of t e cscapexnent wheel 33 when the carriage is drawn tothc right. It. will be understood that the carriage is normally un- 'derthe control of the escapement. ofV which the wheel is a part.

The carriage release device comprises a shoe 35 (Fig. 2) formed on theupper end ofl a leverv arm 36, the hub of which is cured by a set. screw37 to a rock shaft 38 vjonrnalcd in a bracket 40 dependingr from theframe bar 13. said shoe 35 standing in front of the rack bar 20. Therock shaf t 38 has a forwardly projecting arm 41 rigidly mounted thereonwhich is connected by a link 42 with the universal har of thedenominational key levers 'of the tabulator, as will appear more fullyhereinafter. lt will be -understood that. the carriage can be rcleasedfrom its ,escapenient by `pushing; upward on the link 4Q.

The column stop bar 43 is supported on the carriage truck 5 by means oftwo brackets 44 and 4.7 at the left-hand and right-hand ends of thecarriage respectively, said 'brackets being secured to the truck bymeans of screws 4G. lhe stop bar 43 is rectangular in cross section andis supported with freedom to slide to alimited extent lengthwise of thecarriage for the purpose of diminishing the shock duc to the impact -ofa column stop against a key operated stop, but this fatture will be moreparticularly described later on. rl`he stop bar 453 1s formed with aseries of notches ,in its forward and rear laces, spaced a letter spacedistance apart after the usual manner. l

have shown four adjustable column stops at?,

Each of these stops or stop pieces consists of a hifurcatcd piece ofSheet metal that is slipped on to the bar 43 from beneath. ln order toretain the column stops in position, a locking bar 31, consisting of astrip of sheet metal, is mounted on tht` upper tare of the bar -t-and isformedwith notches and teeth corresporn'lin{r with those of :said liar.The strip 51 has elongated slots therein through which pass screws thatare threaded into the har 13 so that the strip 51 can be slid a halfletter Space distant-'e lengthwise of the bar lVhen it is desired toadjust an;v of the column stops the strip '51 is moved so that thenotches therein reg'- ister witlrthosc in the bar 43 and after thecolumn stops are adjusted said strip is moved to bring the teeth thereofinto register with the notches of the bar l?, and it is secured in thatposition b5 means ot a loop 53 (Fig. Q) which passesthrough notches inthe strip, said notches being spaced a half letter space distance ont ofthe ordinary spacing of the notches. The loop .32?. enters these specialnotches in the. strip 51 and also -the notches in the bar 43 andprevents lengthwise motion of said strip 5l. lint-h of the colnmnstopshas two notches t'ormed therein, one in each of the arms thereof toreceive the strip 5l. As shown, for example. lin Fig. (i. cach of thecolumn stops has au ear or stop lug1r 54 depending therefrom and theseears emistxtnte the stop portions ot the with one :mother but move indifferent paths one in trout of the other.v The lugs are. so'

disposed that they leave an open spare 55 (Fig. (i), which ope'n space.is pirt`eral\l dirccthr beneath the har 43's!) that two oiz the lugs 54are in -front of said space 55 and two of them are back of it; but thisarrange- 'ment can be varied if desired.

The denominational stops consist of the upper ends 56 of a series o1Ivertical slide bars 5T which are mounted with freedom to slide up anddown in a shifting frame conlprisixrLlr two upright bars 58 which areconnected together at their upper ends by a cross lar Si), a top view ofwhich on an enlarged scale is shown in Fig. 12. 'The cross piece 59 hasan opening; therein, the forward and rear edges of which are. formedwith teeth 60 which serve as guides for the denominational stop bars 57.Said stop hars 57 are` is secured to the cross bar 13. The pin 61 withany one of the stop lu inaddition to. guiding the stop hars 57 alsoserves as a pivot about which the frame bars 58 can be rocked, as willbe more fully explained hereinaftergvin order 'to bring the stops 56into register with the space 55 or 54. The stop bars 57 have pivoted tothelr lower ends at 65, vertical links 66, the lower ends of which arepivoted at 67 to denominational key levers 68 which extend thence towardthe front of the machine beneath the type action of the machine. The keylevers 68 are levers of the Afirst order pivoted near their middles on apivot rod 7 0 which, as shown for example in igs. 3 and 4, is mounted atits ends in brackets 71 projecting toward the 'front ofA 'the machinefrom the cross frame. bnr 32.

The forward end of each o1 the levers 68 has a reduced portion 72 whichpasses through a suitable slot in the stem 73 of a denominationaltabulator key 7 4, the key levers 68 he-` ing suitably flared outward attheir forward ends to saace the keys 74 a. suitable distance apart. aldkeys are situated in the' keyboard of the machine just back of the lastrow of printing keys and their stems 73 are guided y passing through aguide plate75 l and the lower ends of said key stems pass through a.transverse plate 76, tie plates 75 and 76 being suitably secured to theside plates 1 of the main frame. The construction is such that if one ofthe keys 74 be depressed the rear end of the corresponding key lever 68will be elevated and will eleyate the connected denominational stop. Inorder to return the parts to normal osition each of the key levers 68 isformev at its rear end with a goose-neck 77 to which is connected aspring 78, the lower end of which is connected to an angle plate 80mounted on the back plate 2 of the main frame. 'Y v n In order torelease the carriage when a. denominational key is depressed, auniversal bar S1 is provided, said universal bar lying beneath theforward ends of all the tabulator key levers 68. Said universal barconsists of the cross piece of a U-shaped frame having rearwardlyextending arms 82 which are riveted as shown at S3 (Fig. 1) to arms S4(Fig. 3) of a yoke `frame which also comprises a dross piece 85 mountedon. the rod 70,' the whole constituting a. universal bar frame ivotedco-axially with the ke levers 68,the ar 85 passing across above said'key levers. Preferably the rod itself constitutes a part of this frame,the arms 84 being sec'uredthereto by hubs 86 (Fig. 3). mounted on therod 70 and Secured to it b pins or set screws. Said rod 70 is mountedYon pointed vpivo'li pins '87 'which pass through the set screws 88. Thisuniversal bar frame has a rearwardl extend-mg arm 90 to the rear and ofwhic the link 4-215 pivoted so than www-i; :4

when any of the keys 74 is depressed the carriage release mechanism isoperated 1n the manner which has been described.

The frame 58, 595s swung about its pivot 61 to bring the key operatedsto s 56 into register with any selected one o the stop lugs 54:, bymeans of a set of column keys 91, four of such keys being shown in thepresent case to correspond to the four different positions of said stoplugs. The keys 91 are mounted just back of the keys 74 on key stems 92which are guided. in the plate and also in a. plate 93 (Figi) which issecured to the guide plates 76 sind is bent as shown so as to 'bring thethereof through which the key stems 92 piss some distance abm e'and asuitable distance. to the rear of said plate 76. The key stems 92 areconnected at their lower ends with 'the forward ende; of key levers 94which ar 3 the key levers 94 at the front of the inachine altern A:tewith the key levers 68. For reasons which will oresently appear it ispreferable to have the rear ends of the key ever` 9i outside of thesystem of key leyers 68. Acuzordingly each of the key levers 94 is'pivoted on the-rod 70 at two points, the forward arm and the rear armof each of said. levers being connected h v a. yoke piece Each of thelevers 94 is 'provided at its rear end'with a returning spring 78similar to the springs of thc lcvers 68.

.As best shown in Fig. 2, cach of the branches 5SA of the rocking frame58, 59, has near its lower end an oli'sct and .depending branch 96, eachof these branche.,- 96 bcing connected at its lower end h v a rod 97with the adiacent arm 58 and the rear ends of the key levers 9i aresituated just hc- -neatli these two pins or rods 97 as will heunderstood by reference to Figs. l and 2 and 7 to 10 inclusive. Figs.'s' to 10 show side lviews of the rear ends of these key lov-ers 94' andfrolnthese figures and from Fig.

pivoted or. the rod 70. As shown in Fig.-

1, it will be seen that cach of said lrvers.

shown in Fig. 9; and the levers shown in Figs 8 and l0 move the pintmvard the rear' of the mac`1ine. the lever shown in Fig. 8 moving saidpin a greater distance than the one shown in Fig. l0. Tlve position towhich each of the levers is adapted to move the ,pin or rod 97 isindicated in dotted lines at 97 inem-h of Figs. 7 to 10. Fig. 6 showsmin operative posit ion the leve;- that is shown in Fig. 7 and it w-li heseen thatthis lever is adapted to swing the key operated Stop -intoregister with the rearinost onerof the lugs 54. The. lever shown in Fig.8 brings the key` operated stop to the foremost one of said lugs and theother two levers to the intermediate lugs. g

In order to hold the pins 9"? and the swinging guide frame normally in acentral position with the key operated stops 1n register with theopening 55, thatis to say,

standing directly beneath said opening 5.3 as shown in Fig. l, a camlever lot'lfigs. 1 and 5j is`pfovidcd,this lever being formed with aninverted V-notch that fits over the rightlhand pin 97 which pin isformed to project beyond the arm 96 as shown in lg. 2. Th'e lever-100 iscontrolled by one o the springs 78 which normally holds it in theposition shown in Fig. 1 where the pins stand above theopen; ends of allof the slots 08.

This lever 100 c nsists of one aria-of a piv1 .oted frame` which alsocomprises another armV 101 (Fig. 3), the two arms being coml -Iiectedby; a universal bar. 10'2 which lies above the rear arms of all thelevers 94 and 68. As it is not intended that the levers 68 shall operatethis universal bari 102, said 3o 'universal bar is placed at somedistance above the levers and each of the levers 94 is formed with a lugor ear 103 (Figs. 1 and3) so that said lovers 94 operate the universalbar and elevate the lever 100, thus removing the cam a notch in saidlever from the pin 97 as shown in Fig. 5. The levers .08 do not havethese ears and, therefore, do not operate the universal bar. Theuniversal baril-ame 100,`101, 102 is suitably' pivoted at 10.4. onbrackets 105 depending from the cross bar 32. [It will be noted that thekey levers 94 do not extend far enough ltoward the front ot' tle machinei' to operate the universal oar 81 sb that the column keys do notrelease the cakriage nor t5 throw any of the denommationll stops up,inte the path of a column stop I n In order to release the carriage andto ar-i rest it atany selected denominatibnal posi- Y tion in anyselected column, that one of the?I column keys 1s depressed whichcorresponds i to the column atwhich it is desired the carringebc'arrested and one of the denominational keys is depressed. The columnkey .Y swings the frame 58 to bring the denomina- 5b tional stopintoregister with the selected one of the column stops andi-thelepression of the selected denominational ke projects.

the corresponding denominational' stop to operative position andreleases the carriage. Fig. 8 shows one of the column lkeys and oneo thedenominational keys in'fdepresscd posizion. L

It will be understood that more than one set of column stops can be emloyed if necesjvs'ary. If thereare eight coumns, for ex ample, it willrequire two ;perations o1'V the tabulator to reach any column beyond thefourth? The mechanism thus far described can bc used as a'simpl'e columnjumper or selector by operating the column keys and any one of thedenominational keys, care being taken always to use thesamewienominational key. I prefer, however,'to provide a special key orfinger bar 106 for this purpose, this bnr extending as shown in F ig. 3across and just back of the row of column keys 91 in such position`that. any column vkey and the bar can be operated with the same lingerat the same time as shown in Fig. 11. 'The bar 10G is connected with oneof the key levers 68 in such fashion that when depressed 1t operatesthis key lever but so that said key lever (i8 can be operated withoutoperating the bar 106. Said ba1'106 has tworearwardly extending arms 10Twhich are pivoted on a rod 10S mounted in its ends in t'we brackets 109that are secured to the guide plate 75. A 'cross rod 110 xed at its endsin the arms 10T has pivoted thereto the upper end of a link or push rod111. At its lower end said push rod passes loosely through a slot- 11:2(Fig. 13) of an ear 113 bent off from the forward end of one ofthe keylevers 68 and just above said ear, said push rod has a cross pin 114that rests on the to of the ear 113, so that the lever'GS can beepressed cept the first column stop that reached it instead of allowingsome of said column stops to pass it. In other words, it would.

be projected up to the main body portion of the stop instead of onlyhigh enough to catch one of the stop lugs .14. In order to arrest thedenominational stops atthe. proper height each of the key levers GS isformed at its rear end and atits upper edge with a curved stop surface116, (Fig. 11) which, when the key is dcprawscd. is adapted to strike across bar 11T that lies above all of the key levers G8 but not above thekey leV vers 94. This stop har 11? is formed inf 'fcgral with an arm 118depending from a cross bar 119 which connects the two franie bars 5Snear their lower-end 1 The stop bar' 117 and the su,, porting r bar 118are of inverted T-sliape as shown in Fig. 2 and the I cross bar 119 isbowed toward the front of the ,machine as shown in Fig. 3 'in order t0avoid interference with the links 66 when the frame 58 is swung aboutits pivot.

When it is desired to vuse the-tabulator as an ordinary denominational'tahulator with- 'out operating the column keys; thedenoniinatioiialstops would be projected 5 straight up and would enterthe open space 55 between the stop lugs 54. In order for these stops tohe operative at this time it. is necessary that they be projeeted higherthan they are when the column keys are operated.

v Each of the keylevers 68 is accordingly formed with anotch 120 whichintercepts the curved stop edge 116, said notch 120 standing directlybeneath the normal position of the stop bar 117 as shown in Fig. l.

When a denominational key isdcpressed without operating a column key thestop bai' 117 enters the notch 120 asQShown in Fig. et. and allows thedenominationalstop 56 to rise high enough to catch the body k portion'ofthe column stop'. In this operation the carriage is arrested by the istcolnmii stop that reaches the. projected denomi national stop.

In the normal operation of the tabulator l a column key should bestarted downrst and immediately after it starts a denominational key andan interlock is provided to y prevent the operator from for ett'mg todepress the column kev suicient y in advance v 130 of the depression o adenominational key.

A bail rod 121 (Figs. 1, 3 and 6) lies above the guide plate 75 and justto the rear of 'the stems 92 of the column keys, said bail rod beingformed with .arms 122 which at their forward ends are pivoted at 123 tothe guide plate 75.v The bail 121, 122 is nori' mally held up in theposition shown in Fig.-

1 by means oa spring 1,24 secured to the plate 75 andlying:r beneath oneof the arms '40 122. Said arms 122 are secured at their forward ends toa transverse bar 125 and said bar isl formed with a. series ofupstanding stop projections 126, one standing just to the rear of eachof the stems 73 of the '4 5 denomination keys and. just below a lug 127on said key stem so that the stops.126 and lugs l127 normally preventdepression of the denominational keys. Each of the stems 92 of thecolumn keys isformed with -a lug 'M52 128 which when the column key isdepressed depressies the bail rod 121 and moves the stops 126 away fromthe lugs 127 as shown in Fi 6, thus leaving the denominational 'keys reeto be depressed when any column key is in depressed position. The bailrod 121 is a universal hir that is operated by an of the column key`s.-

n order to provide for epeiating the denominational mechanismindependently of 5, the column selecting; mechanism, if desired,

means' are provided for throwing the interlock outof operation. A hand oierated cani or wedge 129 isv provided (Fig. 14) slidably mountedimiwbraclcet 12W-.Qn the 5.- pliite75. Byv slidiiiytbis cani.to'thb'iiglit vlevers 68 to which' it is connected notwithit is made topass over one of the arms 122 and to cani this arm and the whole lockingframe to inoperative position, as shown in Fig. 4.

As the denominational keys are normally locked against operation I haveprovided means whereby the bar 106 can operate the particular one ofthedenominational key standing the fact that the stem of the corresponding-key is locked. As best shown 1n Fig. 13 the forward end ,72 of thisparticular key lever 68 is hinged to the main body of the key stein at130 and a spring 131 secured to the key lever at 132 lies over the topof this hinged part of the lever and nrrmaily presses it down against anear 133 bent off from the body of the lever 68. The construction is suchthat vvhen-l the denominational key is depressed the part V72 of the keylever presses down on the ear -133 and. operates the lever 68; but whenthe linger bar 106 is operated the lever 68 is' depressed,- the part 72remaining in normal .temporarily by tiu'nine about its pivot 130Vagainst the tension o? the spring 131, as

shown in Fig. 11. Y D

The top plate of the machine is formed with a suitable opening asindicated 1n Fig.

.2 for the passage of the frame 58, 59 and of the denominational stopsand to allow,-or the swingingmotion of said frame and stops in a frontand back direction. -In order to provide a rigid abutment to take'theshock when one of tlie'column stops strikes one of the denominationalstops and at the saine time to facilitate the easy swinging motion ofthe frame, an anti-friction roller 134 is mounted on the top plate,being journaled on a pivot screw 135 threaded into said top plate. Thisroller is in contact with. the left-hand side of the frame 5.8.

osition A shock absorber is provided to prevent injury to the mechanismby the sudden stopping of the carriage in tabulating operations.

The right-hand end of the column stop bar 43 is provided a s shown 'inFig. 2 with a piston head 136 which is secured 'to the eind ofthe. stopbar by means bf, a screw 137V" passing through the piston head andthreadedr` into the end of the bar. The enlar d head of the piston 136tits in a cylin er 138, the right-hand end of which is closed and issecured Yto the bracket 45 by means of ,a screw 140.' T he constructionis such that the cylinder 138 is fixed with relation to the carriage andconstitutes a support for the righthand end of the column stop bar.A Thepiston 136 is normally maintained in the position shown in Fig. 2 bymeans of a spring 141 mounted inside the c linder and c om- `f pressedbetween the end o the c `lfinder und the piston, said spring at one ensurrounding the head of the screw 137 'and at the other end surroundinga stud 142 formed on i E. 'a

f 143 which communicatesl with an opening -'select-ing devices havefirst been operated.

-riage, step-yby-step the cylinder head. The piston 136 is formed at onepoint with a vent consisting of a slot 144 into the interior of the clinder, said opening being closed by a bal valve 115. This valve closeslthe vent when the piston is being driven intothccylinder but opens whenthe piston is movingin the opposite direction so as to allow the partsto resume l their normal position freely under the impulse of the spring141. The left-hand end of the column ston bar is rectangular and fitsinto a rectangular opening in the bracket 44 so as to prevent turning ofthe stop bar. This end of the stop bar is thinned away as shown in Fig.15, formin shoulders which, engaging the bracket- 44, limit the motionof the roi under the .impulse of the spring 141 and determine the normalposition of the bar on the carriage. When one of the column stopsstrikes one of the denominational stops the carriage is not immediatelyarrested 'out moves on until the piston 136 strikes the head of thecylinder 138, compressing the air in front of the piston und the airleaking out4 around the piston so slowly as to cushion the shock to thecarriage and bring the carriage gently to rest. The spring lll is weakerthan the carriage-spring so that the piston' always goes clear to theend of the cylinder." It will of course be understood thatthe cylinderof the dash pot could be connected with the stop bar and the pistou withthe carriage frame, if preferred.

Various changes may be made in the details of construction andarrangement without departing from my invention.

What I claim as new and desire to secure by Letters Patent, is

1. In a typewritinp; machine and in tabulating mechanism, thecombination of a carnage, step-by-step feed devices for said car ringe,tabulator .atop devices for arresting said carriage at any desireddenominational position in any selected one of a plurality of columns,column keys and denominational keysfor controlling said tabulator, stopdevices, and an interlock between said column and denominational keys. l

2.. In a typcwritiug machine and in tabulating mechanism, thecombination of a carfecd devices for said carria tabulator stop. devicesfor arresting sai carriage at any selected ,denominational position inan selected one of a plurality of columns, han operated means foroperating the column selecting devices, hand operated riage, and atabulator for controlling` said carriage, said tabulatior comprisingr asei: of column keys and a set of denominational keys, means for normallylocking one of said sets of keys, and means operated by any .key oftheother set for releasing said locking means.

4. Ina typewriting machine and in tabu-` lating mechanism, thecombination of xt carriage, step-by-step fcc devices for said carriave,tabulator stopdcviccs for arresting sai( carriage aa any desireddenominational position in any selected one of a plurality of columns,column keys and denominational keys for controlling said tabulator, stopdevices, an interlock between said column and denominational keys, andmeans for throwing said interlock out of operation.

5. In a typcuriting machine and in tabulating mechanism, the combinationof a. carriage, st-ep-by-step feed devices for said carringe, and atabulator for controlling said column keys and a set of denominati/.malkeys, means for normally locking one of said sets of keys, meansoperated by any kcv of the other set for releasing said locking means,and hand operated means for maintaining said locking means inoperative.

6. In a typewritmg' machine and in tabulating mechanism, .thecombination of a carriage, stcp-by-step ;t'eed devices for saidcarriage, a carriage release device, tabulator. stop devices forarrest-ing the carriage at any selected denominational position in anyselected one of a plurality of columns, a set of column-keys forcontrolling the selection of columns, a set of denominational keys forcontrollingvthe denominational posit-ion of arrest., a carriage releasedevice operated by on of said sets of keys and not by the other. andmeans for preventing the operation o'. any key in that set whichcontrols the carriage release until after a .key of the othzr set isoperated.

7. In a type\vriting,macliine and in tabulating mechanism, thecombination of a '-arriage and tabulator mechanism for controlling saidcafrriagmfsaid'-tabul'itor mechanism including a set of denominationalkeys und a set of column keys andan interlock be'..ween said sets ofkeys, said interlock comprising a frame having stops for normallylneveuting the operation of any key of one set, and a universal bar foroperation by any key of the other set.

' 8. In a typewriting machine and :'u tabu'- means foriA operating thedenomination lecting devices, and means for preventing an i operation.of the hand operated means for the denominational devices until.thecolumn @In a typewriting machine and in tabu-' latmg mechanism, thecombination of a carlating mechanism, -the combination of a earringe, aseries of columnl selecting keys, a 'series of denominational keys,dcuomina tionalrstops operated by said denominational keys, means forprevent/ing the opi-ration of a denominational key until a column keyhas first been operated, a special key, and

riage,stepbystep feed devices for said cad-t means for affording au'operation of one fv carriage, said tabulator comprising a set-of saidstops by said special key simultaneously with an operation of one ofsaid column keys. p v

9. In a typewriting machine and in tabulating mechanism, the combinationof a cai'- riage, a series o' column selecting keys, a series ofdenominational keys, denominational stops operated by saiddenomii'iational keys, one of said stops having a yielding 4connectionwhereby itis capable of opera- 'i' tion lndependei'itlyo its key, meansfor preventing an operation of a denominational key until a column keyhas tirst been operated, a special key, and an operative conuectionbetween said special key and that. stop which has a yielding connectionwith its key.

' 10. In irtypewriting machine and in taba lating mechanism, thecombination of a carriage and tabulator mechanism for controlling saidcarriage, said t:diiilatormechanism comprising a series of tabuiatorkeys, selecting mechanism controlled by said keys. a linger-bar lyingadiacent Said Series of tabu.L lator keys in position to be operated bythe saine linger that operates Vany one. of said keys, anda tabulatorstop operated by said linger bar.

11. iii a typeivritiug machine and in tabulating methaiiism. thccombination of a carriage, and` tabulator mechanism for controlling saidca rriagc, said tabulator mechanis-m comprising a series oi' columnkeys, column selecting mechanism controlled by said keys, a linger barlying.,r adjacent said series of column keys in yposition to be operatedby the .saine tinge that," operates any one ot Asaid keys, and art:bulzttor stopopcrated by s'aid linger bar. I

1 ln a typewriting;machine and in tabulating mechanism, thc cmnbinationof a carriage,fan,d tabulator mechanism for controlling.; said carriage,said tabulatingg` mecharia e, a plurality ot columnstops mounted ou saidcarriage and each having astop lug projecting' therefrom. said stop lugsbeing 1out oflinc with om another so that they move in ditlerent paths..a series oi' denominational stops for cooperation with said colunmstops. means. for moving any denomi- .national stop into the path of allof said column stops. iieans for moving said series of denominationalstops across thc paths of said lugs to select a particular column `stop,and means operated by said column selecting mea-ns for limiting themotion of a` denominational stop to cause said denominational stop tocoperate with the selected one of said lugs but to prevent it frommoving farther into the path of other column stops.

14. In 'a typewriting machine and in tabulatingg mechanism, thecombination of a carriage, a plurality of column stops mounted on saidcarriage and each having a stop lug pri'ijecting therefrom, said stoplugs being out of line with one another 'so that the move in diii'ercntpaths. a series of denominational stops normally out of register withall ot' said paths` means foi-moving any denominational stop from normalposition into the path of all of said column stops, means for movingsaid series of denominational stops across the paths of said lugs intoregister with any one of said paths to select. columns` and meansbrought into operation by the motion of said series of stops intoregister with one of said paths for limiting the motion of adenominational stop when said stop is moved into the path ofl the stoplug.

15.111 a typewritiug machine and iu tabulatin; r mechanism, thecombination of a carriage. a series ol' column stops havingI stop lugsout ot" line with one another. a

sci-ics of denominatiomil stops. a shifting frame in which saiddenominatioual stops 'are guided. column keys for shitting said frame tobringf said denominatioual-stops into register with any selected one ofsaid stop lugs. denoininaiional keys audlparts operated thereby foroperating said dcnomimitional stops, an arrestini'idevice carried bysaid shitting frame and cotpcl'atiiu: with certain of said key operatedparts to limit the motion ot' said dcnomiuational stops into the pathsof said stop lugs. .said key operated parts havinlgr notches in registcrwith the normal` position ot' said arrestingdevice to-allow to saiddcuoinixu.- tional stops an additional extent of motion so that. theycan be moved into the pathlof all of said column stops.

16. 'ln a typewritiupr machine and in talmlatiug mechanism, thecombination of a carringe, a series of column stops each having" a stoplug` and said lugs beine out of line with one another. a series onomiinitional stop bars. a shifting' frame'n which said stop bars aremounted. said frauie-luiving means for guiding said st op bars at bothends. a series -of denominational key levers., links connecting theseveral stop bars respectively with said key levers,- and means forshifting said frame to bring said' sto bars into register with anyselected one o said stop lugs.

' 17. In a typewritxng machine and in tabuslidiug deloo .......mhq

lating mechanism. the i-oiiibiuation of a. series of column stops eachhating' a stop lug projecting therefrom, said figs being; out of linewith one anothei.'a sci-ics ot' sliding denominational stop bai apivoted trame in which said denominational stop bars are guided, i'neansfor swinging: said franie'to bring said den'oininatioiial stops intoregister with any selected one of said lugs, denominational ke vs andkey levers for sliding: any one of said denominational stop bars in saidguide frame into the path of the selected lug, and links -pivoted tosaid denominational stop bars and to said key levers. A

1S. In a typewriting machine, and in tabulatingi mechanism, thecombination of a set of vcolumn keys arranged iir a row at the back ofthe keyboard of the machine, a set 0f denominational keys arranged in ai'oiv at the back of the keyboa rd. one of said rows of keys being infront of the other, horizontal kcv levers extending from said keystoward the back of the Vnnichiue. column selecting 'mechanism operatedby said column key levers, and depoiiiinational Stop devices operated bysaid denominational key levers, certain of sa id key levers being madein two parts connected together by a wvotre bar in order to bring thekey levers of one set into a single group at. thi back ot'tho machine.

19. In t1 typen-tiling machine and in tabulating mechanism, thecombination ota cai'- riagc, a column stop har mounted on said carriage,a series of column tops mounted on said stop bar and each having;r astop lu". certain of said stop lugs being in iront of said bar andcertain of said lugs being;r atthe rear of said bar and an opcii spacebeing: left between said front anti` rear lugs, a set of denominationalstops normally standing;` in

-register with said open space, means for moving said set ofdenominational*stops as an entirety into register with any selected oneot said lugs, and means for moving any one of'said denominational stopsinto the' path of the selected lug.

- 20. In a typcwriting machine and in tabu-v lating mechanism, thel-oinbination of a carriage, a coluntii stop iai' mounted on saidcarriage, a series of column stops mounted on said stop bar and eachhaving aV stop lug, certain of said stop lugs being in front. of saidbar and certain of said lugs being at the rear of said bar. and an open`space being left between said front and rear lugs, a setfot`denominational stops normally standing Ain register with said openspace, means for moving said set of denominational stops as an entiretyinto register witaany selected one of said lugs, und means for movingany one of said denominational stops into the path of the selected lug,said means beiay also operative to move any denominationa stop throughsaid .operi space into the path of all in said column strips.

2l. lua typowriting machine and in tabu y loting mechanism, thecombination of acarringe, a serios of column stops having stop lugs outof line with one another, a series of deiioniinational stops, a shiftingframe for guiding said denominational stops, denominational keys foroperating said denominational stops, column keys for shifting said lframe, a series of cams operated b v'said col'- umn keys, and operatingon said shifting frame to slnftsaid frame, said cams being divided intotwo groups, one at each side of said frame, a universal bar for saidcolumn keys, and a spring restored cam connected with said -iiniversalbar for restoring said` frame to normal position.

la :i typewriting machine and in tabu lating mechanism, the combinationof bifurcateil column stops, a column stop bar having a series ofnotches for the reception of said bifurcatcd column stops, a lockingbarsiidablv mounted on said stop bar and having notches adapted toregister with tliernotches' of said stop bar, eachof said coiiimnstpshaving a notch adapted to receive one of the teeth between the 'notchesofsaid locking bar, the construction beingr such that said locking bai'can be. moved to bring its notches into register with those of the stopbar for the ui' )ose of ad'iistiiio' said coluinnsto s and that saidlocking bar can be moved longitudinally of said stop bar to bring the'teeth-,of the ocking nar into the notches of the column stops.

Q3. In a t vpc\\'iitiiig machine and in tabu-- latine, mechanism, thccombination of bifur cated column stops, a column stop bar havingaseries of notches for the reception of said bit'nrcated column stops, alocking bar slidably mounted on said stop bar and haviurr notchesadapted to register with the notches of said stop bar. each of saidcolumn .stops havingr a notch adapted to receive one of the teethbetween the notches of said locking' bar. thifoonstruction being;I suchthat said 2i. In a typiiwriting machine and in tabu. lating'mechanism,the combination with a carriage, of tabulator. mechanism for controllingsaid carriage. said tabulator mechanism comprising' a column stop barmounted for limited motion endwise, a. dash pot coni 'stitiiting thesupport for one end of said bar, one or moi'ecolumn stops mounted onsaid bar, and one or more key controlled cooperating stops.

In a typewriting machine and in 'tabulatmg mechanism, the comblnet-lonwith a carriage, of tabulator mechanism for cono. trollingsaidcarriage,` said tabulatorfmecha msm eomprisiir a column stop barmounted. for lmnted motion endwllse; a. dash .pot havmg piston-andcyhnder elements, one or said elements beingv rigidly mounted on thestop Y bar and the other on the-.frame that carries said stop bar,whereby saicldash pot consti-r tutes 'one of the supports for said stopbar; one or more column stops mounted on said lbar; and one or morecopernting stops.

26. In a typewriting machine and in tabu- Iating mechanism, thecombination with a.y carriage; of tabulator mechanism for controllingsaid carriage, said tabulatcr mecha,-

Y nism comprisinga column stop bar mounted A for limited motion endwise,a dash pot having piston and cylinder elements, one of said 20 elementsbeing rigidly mounted on the sto baz' and the other on the ramethatcalvi u stop bar, whereby said dash pot constitutes one of the supportsfor said stop bar; a l

. Witnesses: v

R. H. STROTHER,

